<template>
  <span>{{num}}/256</span>
</template>

<script>
export default {
    props:{
        num:{
            type:Number,
            default:0,
        }
    }
}
</script>

<style scoped>
span{
    color: #909399;
    background: #fff;
    font-size: 12px;
    margin-bottom: 5px;
    margin-right: 20px;
    margin-left: 40px;
}
</style>